From: Fugang Duan
Date: Thu, 10 Sep 2015 09:35:39 +0800
> There exist one issue by below case that case system hang:
> ifconfig eth0 down
> ifconfig eth0 hw ether 00:10:19:19:81:19
>
> After eth0 down, all fec clocks are gated off. In the .fec_set_mac_address()
> function, it will set new MAC ad
There exist one issue by below case that case system hang:
ifconfig eth0 down
ifconfig eth0 hw ether 00:10:19:19:81:19
After eth0 down, all fec clocks are gated off. In the .fec_set_mac_address()
function, it will set new MAC address to registers, which causes system hang.
So it needs to add neti